3.1 Flashcards
What is the function of the cochlea?
functions as the organ of hearing
The iris regulates…
pupil diameter
Identify the structure, which comprises the outer layer of the posterior five-sixths of the eye.
Sclera
Which structure in the eye is comprised of transparent connective tissue?
cornea
Place the retinal cell ganglion cell axon pathway in order.
- retina
- optic nerve
- optic chiasm
- optic tract
- thalamus
what is the pathway that sound travels into the ear?
- auricle
- external acoustic meatus
- tympanic membrane
- malleus
- incus
- stapes
- cochlea
The scala vestibuli contains…
perilymph
The optic nerves are composed of…
Axons of retinal ganglion cells
The cornea…
Refracts light through the pupil
High spatial resolution in vision is a function of….
cone cells
Light scattering in the eye is prevented by the…
Retinal pigment epithelium
T/F: The vestibulocochlear nerve carries sensory information for both hearing and vision.
False; The vestibulocochlear nerve carries sensory information for the special senses of hearing and balance.
T/F: The facial nerve carries taste sensations from the posterior 1/3 of the tongue.
False; The facial nerve carries taste sensations from the anterior 2/3 of the tongue, while the glossopharyngeal nerve carries taste sensations from the posterior 1/3 of the tongue.
which hormones are secreted from the anterior pituitary?
- follicle-stimulating hormone
- luteinizing hormone
- adrenocorticotropic hormone
- prolactin
- thyroid-stimulating hormone
- growth hormone
which hormones are secreted from the posterior pituitary?
- antidiuretic hormone
- oxytocin
The suprarenal _______ produces epinephrine and norepinephrine.
medulla
The suprarenal ______ surrounds the adrenal gland.
capsule
The suprarenal_____ produces aldosterone and cortisol.
cortex
what are the different parts of the suprarenal (adrenal) gland from superficial to deep?
- capsule
- cortex
- medulla
The zonula ______ produces mineralocorticoids, such as _______.
glomerulosa
aldosterone
The zonula ______ produces gonadocorticoids, such as ______
reticularis
DHEA.
The zonula ________ produces glucocorticoids, such as ______
fasciculata
cortisol.
list the layers of the adrenal cortex in order from superficial to deep
zonula glomerulosa
zonula fasciculata
zonula reticularis
The pituitary gland is located in the…
Hypophyseal fossa
The hypothalamus is sometimes referred to as the “master control center” of the endocrine system because it…
Regulates most endocrine functions of the body
T/F: The pancreas serves both endocrine and exocrine functions.
True
The pancreas is located between…
the duodenum and spleen, just inferior to the stomach
The endocrine portion of the pancreas produces…
Insulin and glucagon
How many parathyroid glands are there?
2-6
The parathyroid glands are usually located on which surface of the thryoid gland?
posterior
Parathyroid hormone promotes…
Resorption of calcium from bone
What stimulates the secretion of parathyroid hormone from the parathyroid gland?
low blood calcium level
The suprarenal (adrenal) glands are located superior to which organ(s)?
kidneys
The medulla of the suprarenal gland secretes _____________ to enhance the ______________ response of the sympathetic nervous system.
Epinephrine & norepinephrine; “fight or flight”
What is the name of the narrow band of tissue connecting the right and left lobes of the thyroid gland?
Isthmus
Thyroid hormone stimulates the anterior pituitary to release…
Growth hormone (GH)
___________________ is another name for antidiuretic hormone (not ADH).
vasopressin
T/F: The parafollicular cells of the thyroid gland produce calcitonin.
TRUE
An enlarged thyroid gland is sometimes referred to as a _________________
goiter
T/F: The interstitial cells of the testis produce the hormone testosterone.
True
The primary endocrine products of the ovaries are estrogen and ________________.
progesterone
During life, the _______________ gland rests in the sella turcica of the sphenoid bone.
pituitary
_______________-poiesis describes the formation of blood cells (formed elements).
hemato
Place each of the following lymphatic structures in the correct category based on their location: head or Neck
tonsils
Place each of the following lymphatic structures in the correct category based on their location: Thorax
thoracic duct
thymus
mediastinal lymph nodes
Place each of the following lymphatic structures in the correct category based on their location: abdomen
spleen
cisterna chyli
what things Carry deoxygenated blood
R. atrium
R. ventricle
pulmonary artery
superior vena cava
what things Carry oxygenated blood
L atrium
L ventricle
aorta
pulmonary vein
